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Detection of organophosphorus compound based on a sol-gel silica planar waveguide doped with a green fluorescent protein and an organophosphorus hydrolase Enami, Yasufumi Tsuchiya, Keiji Suye, Shin-ichiro In this letter, the authors report the real-time detection of an organophosphorus compound using a sol-gel silica planar waveguide doped with a green fluorescent protein and an organophosphorus hydrolase on a yeast-cell surface display. The waveguide was pumped at 488 nm, and it emitted green fluorescence at the far field. The green fluorescent light at 550 nm changed by 50% from the original power 1 min after application of the organophosphorus compound. The results enable the real-time detection of sarin and other biochemicals by using an in-line fiber sensor network. http://purl.org/coar/resource_type/c_6501 American Institute of Physics 2011-06-07 VoR 0003-6951 AA00543431 233503-1 Applied Physics Letters 23 98 233503-3 233503-1 Applied Physics Letters https://hiroshima.repo.nii.ac.jp/records/2006289 eng 10.1063/1.3596448 http://dx.doi.org/10.1063/1.3596448 open access Copyright (c) 2011 American Institute of Physics.